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Study uncovers hair cell loss as underlying cause of age-related hearing loss:
In a new study of human ear tissues, hearing scientists have demonstrated that age-related hearing loss, also called presbycusis, is mainly caused by damage to hair cells, the sensory cells in the inner ear that transform sound-induced vibrations into the electrical signals that are relayed to the brain by the auditory nerve. Their research challenges the prevailing view of the last 60 years that age-related hearing loss is mainly driven by damage to the stria vascularis, the cellular "battery" that powers the hair cell's mechanical-to-electrical signal conversion.
The inner ear, where most types of hearing impairment originate, cannot be biopsied, and its delicate structures can only be resolved in specimens removed at autopsy. Understanding the true cellular causes of age-related hearing loss impacts how future treatments are developed and how appropriate candidates will be identified, and can also suggest how to prevent or minimize this most common type of hearing damage, according to the study authors, led by Pei-zhe Wu, MD, a postdoctoral research fellow in Otolaryngology Head and Neck Surgery in the Eaton-Peabody Laboratories at Massachusetts Eye and Ear.
"Our study upends the dogma about the major cause of age-related hearing loss," said Dr. Wu. "Documenting the dominant role of progressive hair cell loss in the hearing impairment of normal aging means that the millions who suffer with this condition could benefit from the hair cell regenerative therapies that are the focus of ongoing research across the world. No one is focusing on approaches to regenerate the stria."
Journal Reference:
Pei-zhe Wu, Jennifer T. O'Malley, Victor de Gruttola, et al. Age-related hearing loss is dominated by damage to inner ear sensory cells, not the cellular battery that powers them [$], Journal of Neuroscience (DOI: 10.1523/JNEUROSCI.0937-20.2020)
(Score: -1, Flamebait) by Anonymous Coward on Tuesday July 21 2020, @08:57AM (3 children)
Preventing or even reversing hearing loss is very useful research that can improve the quality of life for countless people. Just think, we could have a lot more useful research like this if we weren't spending so much money on welfare and cleaning up after violent protests and terror attacks. We spend far more money on welfare and homeland security than we do on research every year, which is a shame.
Niggers, kikes, wetbacks, towelheads, chinks, dune coons, pakis, japs, gooks, curry munchers, injuns, and all other darkies hate America. And that's why I hate all darkies. My hate is strong and I'm damned proud of it. In fact, my hate is getting stronger as I talk to you people. However, I'm not racist, and there's nothing racist about my comment. The left will certainly attack me and claim I'm racist, but that's just a futile effort to discredit me when they know I'm right. The left would prefer to spend money on welfare for darkies and clean up their violence than on useful research like preventing hearing loss. We might have found ways to reverse the hair cell loss, perhaps with adult stem cells, if we weren't wasting so much money on darkies.
Let's exterminate or deport all darkies. Then use the money for welfare and repairing violence from darkies and give it all to science organizations like NIH and NSF.
(Score: -1, Flamebait) by hemocyanin on Tuesday July 21 2020, @09:08AM (1 child)
No -- both the regressive left and the fascist right are racists in just about the exact same way: https://www.youtube.com/watch?v=Ev373c7wSRg [youtube.com]
(Score: 0, Funny) by Anonymous Coward on Tuesday July 21 2020, @11:36AM
Poor hemo! He was a liberal Democrat, until the leftist progressives started calling him names, bullying him, and being meanies. Now he's happily white superamist, and it is all liberal's fault. The things they used to say to him! The Horror, the horror! Poor hemo!
(Score: 0) by Anonymous Coward on Tuesday July 21 2020, @06:18PM
Apropos for those seemingly oppressed by deeper shades of humanity, Qur'an 4,97 loosely:
...{Angels} queried, "What trouble were you in?"
They replied, "We were but weak ones amongst oppressors in the earth!"
The Angels queried, "Was God's earth not spacious enough for you to emigrate within it?"
So their abode shall be Hell...
Of course the paleface only came to America because they were unable to live peaceably amongst themselves (check your history). Perhaps they are unable to live in peace with anyone. Some of them do seem to have a superior susceptibility to hatred. MAGA ... go back to Europe.